The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 1976
Filed:
Jun. 27, 1973
Hermann Moser, Darmstadt, DT;
Wolfram Saupe, Mammolshain, DT;
Hoechst Aktiengesellschaft, Frankfurt, DT;
Abstract
A process for mixing enriched dry developer with depleted dry developer in an electrophotographic copying system which includes the steps of conveying a dry developer mixture from a reservoir to a developing station, returning a substantial portion of the developer mixture removed from the reservoir to the reservoir before it reaches the developing zone and mixing it with depleted developer mixture from the developing station. An apparatus for accomplishing the process including at least one endless conveyor belt on which plates are positioned at intervals along its length projecting outwardly and mounted at right angles to the center line thereof and at least one pair of rollers upon which the belt is mounted. This apparatus also may include a cover plate for a portion of the belt. The belt may have internal serrations and be composed of soft elastic material.